Interstate 80 over Red Top Road
FairSolano County, California · 04-SOL-080-R11.39-FRFD · Structure no. 23 0165
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected January 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 115,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over Red Top Road is a prestressed concrete box beam or girders - multiple carrying Interstate 80 over Red Top Road in Solano County, California. It was built in 1969, so it is 56 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 115,000 vehicles a day, roughly 5% of them trucks, projected to reach 177,097 by 2045. The structure is 85 ft (25.8 m) long and 156 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 80 over Red Top Road built?
It was built in 1969, making it 56 years old in 2025.
What condition is Interstate 80 over Red Top Road in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.
How much traffic does Interstate 80 over Red Top Road carry?
About 115,000 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Interstate 80 over Red Top Road?
The structure is 85 ft (25.8 m) long with a longest span of 83 ft (25.2 m) and a deck 156 ft wide.
Who owns Interstate 80 over Red Top Road?
It is owned by the State Highway Agency.